PARASITES 



999 



PARASITES 



it Distoma lanceolalum, Mehlis, or a young 



thepatica, Linne. — Hippobdella sanguisuga, 



iville. See Hirudo sanguisuga, Bergmann. — 



jbosca canina, Rondani. See Hippobosca 



i, Linne. — Hippobosca equina, Linne. Syn. , 



bosca canina, Hippobosca taurina, Rondani : 



louche araignee, Mouche plate, Horse-tick, Forest-fly. 



*n interesting remittent parasitic insect of the family 



i, common in the summer on horses, sheep, 



attle and dogs, especially about the perineal 



gion ; it is very troublesome. — Hippobosca ovina, 



inne. See Melopliagus ovinus, Latreille. — Hippo- 



osca taurina, Rondani. See Hippobosca equina, 



inne. — Hirudine viva. See Hirudo niedicinalis , 



av. — Hirudo albopunctata, Diesing. A leech 



immon in Sweden. — Hirudo ceylonica, Moquin- 



■ andon . See Hcmadipsa ceylonica, Moquin-Tan- 



jn. — Hirudo chinensis, Schmarda. A small spe- 



es used by the Chinese. — Hirudo decora. A North 



.merican leech used medicinally. — Hirudo depressa 



lsea margine laterali. See Aulostoma gulo, Mo- 



ain-Tandon. — Hirudo flava, Brossat. See Hirudo 



lis, Ray. — Hirudo granulosa, Gekor- 



;lter Blutegel. A leech used in India, and in the 



ile of Bourbon and the Mauritius. — Hirudo grisea, 



rossat. See Hirudo niedicinalis, Ray. — Hirudo inter- 



jpta. Moquin-Tandon. Syn., Sanguisuga interrupta, 



loquin-Tandon ; The Dragon Leech ; The African 



\eech, Blutegel mit unterbrochenen Ruckenstreifen. 



. species found in North Africa. — Hirudo javanica, 



»*ahlberg. Syn., Sanguisuga j'az-anica, Wahlberg. 



he Javanese leech. — Hirudo medicinalis, Ray 



Linne (1746). Syn., Hirudo venasector, 



raun ; Hirudo flava, Brossat ; Hirudo grisea, Bros- 



it; Hirudo officinalis, Savigny; Hirudo provin- 



:!raun ( 1 805 ) ; Hirudo zi'ridis ; latrobdella 



■'is, Blainville (1828) ; The Gray Leech; The 



\j-reen Leech ; The Common Medicinal Leech ; The 



\peckled Leech ; Hirudine z-iva ; Sattgsue medicinal e ; 



grise : Sangsue verte ; Deutscher Blutegel; 



*er ungarische Blutegel. A fresh-water species 



und throughout Europe and the North of Africa ; 



e great color variation of this species has given 



se to the differentiation of some sixty varieties 



nd a confused nomenclature. A large leech will 



about fifteen grams of blood, which requires 



everal months to digest. — Hirudo mysomelas, 



irey ; Senegal' scher , Blutegel. Found in Sene- 



arobia and exported to France. — Hirudo ob- 



cura. Syn., Sangsue noire. A French species. 



-Hirudo officinalis, Savigny. See Hirudo me- 



talis, Ray. — Hirudo provincialis. See Hirudo 



ficinalis, Ray. — Hirudo quinquestriata, Schmar- 



a. Syn.. Hirudo tristriata. An Australian spe- 



ies largely exported to Europe. — Hirudo san- 



uisorba, Lamarck. See Hirudo sanguisuga, Berg- 



lann. — Hirudo sanguisuga, Bergmann (1757). 



yn., Hirudo sanguisorba, Lamarck ( 1818 ) ; 



mopis sanguisorba, Savigny (1820) ; Hwmopis 



'. Moquin-Tandon (1826); Hippobdella san- 



le Blainville (1827) ; Hamopis sanguisuga, 



uin-Tandon (1846). The True Horse-leech; 



de cheval, Fr. ; Pferdeegel, Ger. Found 



-pain and Southern Europe generally, but par- 



1 cularly in the North of Africa, this worm being 



ladvertently swallowed in an immature condition 



i drinking-water, not infrequently attaches itself to 



ie mucosa of the nose and pharynx of man, as 



• ell as of animals. Strong solutions of salt cause 



to loosen its hold. — Hirudo sinica, de Blain- 



A Chinese species. — Hirudo tagalla. See 



Kipsa ceylonica, Moquin-Tandon. — Hirudo 



tesselata. A species found in the United States ; 

 it is green with black dots. — Hirudo tristriata, 

 Schmarda. See Hirudo quinquestriata, Schmarda. 

 — Hirudo troctina, Johnson (1816). Syn., Sangui- 

 suga interrupta, Moquin-Tandon (1S26) ; latrobdella 

 medicinalis, var. tesselata, de Blainville (1827) ; Trout 

 Leech ; Dragon Leech, Sangsue dragon, Dragon 

 d' Alger, Fr. A native of the North of Africa, but 

 long employed in hospitals throughout Southern 

 Europe and England. — Hirudo venaesector, Braun. 

 See Hirudo medicinalis, Ray. — Hirudo verbana. 

 Syn., Blutegel des Lago- Maggiore . An Italian spe- 

 cies. — Hirudo viridis. See Hirudo medicinalis, 

 Ray. — Hirudo wiffonia. A Japanese variety, 

 dried, powdered and administered internally to 

 relieve pain. — Hog-louse. See Hrmatopinus urius, 

 Nitzsch. — Holophrya coli, Leuckart (1863); See 

 Balantidium coli, Stein (1862). — Holostoma erra- 

 ticum, Rudolphi, Dujardin. This is found in the in- 

 testine of the domestic duck and the tame swan. The 

 larva ( Tetracotyle fllippi ) has been found in the 

 viscera of several molluscs and fish, and also as a 

 parasite in the sporocysts of several Distomata. — 

 Homalomyia canicularis, 

 Linne. Syn., Anthomyia can- 

 icularis, Meigen ; KUinstuben- 

 fliege ; Hundstagfliege. This is 

 common in Europe from spring 

 throughout the summer, and 

 feeds on decaying vegetable 

 matter. The larvae live in 

 the earth. — Homalomyia in- 

 cisurata. Syn., Anthomyia in- 

 cisurata. The larvae occur in 

 the human intestine, according 

 to M o n i e z . — Homalomyia 

 scalaris, Fabricius. Syn. An- 

 thomyia scalaris, Fabricius. This 

 is common from spring through- 

 out summer, especially under 

 trees; the larvae are found on 

 decaying substances, and at times 

 as pseudo-parasites in man, in the intestines nasal 

 passages and ears. Judd (Amer. Nat., 1876, p. 

 374) reports a case of the intestinal discharge of 

 fifty larvae of this fly. — Hornfly. See Hamatobia 

 serrata. — Horse-bee. See Gastrophilus equi, Fa- 

 bricius and Gastrophilus pecorum, Linne. — Horse- 

 fly. See Tabanus Sp. — Horse-leech. See Hirudo 

 sanguisuga, Bergmann. — Horse-louse. 

 topinus macrocephalus. — Horse-tick. 

 pobosca equina, Linne. — House-fly. 

 domestica, Linne.— Hunde Haarling. 

 dectus latus, Nitzsch. — Hundstagfliege. 

 lomyia canicularis, Linne. — Hydatigena granulosa, 

 Batsch. See Echinococcus polymorphic. — Hydatis 

 erratica, Blumenbach. See Echinococcus polymor- 

 phs. — Hydatis Liidersen. Rudolphi, Olfers, Brem- 

 ser. See Echinococcus polymorphic, Diesing. — Hy- 

 drotaea meteorica, Davaine. Syn. , Anthomyia 

 meteorica, L. Meteoric Fly ; Storm-fly ; Gercit/er- 

 fliege. This is so called because at the approach of 

 rain it often forms a kind of cloud about horses' heads. 

 It is common in Europe in summer in damp situa- 

 tions, as forests, its ordinary nourishment con- 

 sisting of the sap of flowers. The females attack 

 animals and although their soft proboscis cannot pierce 

 the skin, and only allows them to suck up the humors 

 from the surface, they harass and torment most 

 stubbornly. They may produce inflammation of the 

 eyes and ears of domestic animals. The larvae are 

 found in cow-dung and decaying vegetable matter. — 



Larva of Homalo- 

 myia canicularis. 

 (Linni.) 



See Havna- 



See Hip- 



See Musca 



See Tricho- 



See Homa- 



